# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


class ChatHistory:
    def __init__(self):
        self.history = []

    def add_user_message(self, message):
        self.history.append({"role": "user", "content": message})

    def add_ai_message(self, message):
        self.history.append({"role": "ai", "content": message})

    @property
    def messages(self):
        return self.history


class ChatRefHistory:
    def __init__(self):
        self.history = []

    def add_user_message(self, message):
        self.history.append({"role": "user", "content": message})

    def add_ai_message(self, message, references=None):
        message_data = {"role": "ai", "content": message}
        if references is not None:
            message_data["references"] = references
        self.history.append(message_data)

    @property
    def messages(self):
        return self.history
